/***********************************************************************/
/* Open Visualization Data Explorer                                    */
/* (C) Copyright IBM Corp. 1989,1999                                   */
/* ALL RIGHTS RESERVED                                                 */
/* This code licensed under the                                        */
/*    "IBM PUBLIC LICENSE - Open Visualization Data Explorer"          */
/***********************************************************************/

#include <dxconfig.h>
#include "../base/defines.h"

#ifndef _LocalAttributes_h
#define _LocalAttributes_h

#include "Base.h"

//
// Class name definition:
//
#define ClassLocalAttributes "LocalAttributes"

//
// Describes local attributes for a component of a scalar
// Currently, we only support a local delta value.
//
class LocalAttributes : public Base
{
  friend class InteractorNode;
  friend class ScalarNode;
  friend class ScalarInstance;
  friend class ScalarListInstance;

 private:
 protected:
  boolean integerTyped;
  boolean usingLocalDelta;  // Are we using the local delta value
  double currentValue;
  double delta;

  void setValue( double val )
  {
    this->currentValue = val;
  }

  void useLocalDelta( double delta )
  {
    this->usingLocalDelta = TRUE;
    this->setDelta( delta );
  }

  void setDelta( double delta )
  {
    this->delta = delta;
  }

  void clrLocalDelta()
  {
    this->usingLocalDelta = FALSE;
  }

 public:
  LocalAttributes( boolean isInteger )
  {
    this->integerTyped = isInteger;
    this->delta = 1.00;
    this->currentValue = 0.0;
    this->usingLocalDelta = FALSE;
  }

  ~LocalAttributes()
  {
  }

  boolean isLocalDelta()
  {
    return usingLocalDelta;
  }

#define ROUND( x ) \
  ( ( double )( ( x > 0.0 ) ? ( int )( x + .5 ) : ( int )( x - .5 ) ) )

  double getValue()
  {
    return ( this->integerTyped ? ROUND( this->currentValue )
                                : this->currentValue );
  }

  double getDelta()
  {
    return ( this->integerTyped ? ROUND( this->delta ) : this->delta );
  }
#undef ROUND

  const char *getClassName()
  {
    return ClassLocalAttributes;
  }
};

#endif  // _LocalAttributes_h
